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Seabirds Count Datasets 2023


The results from Seabirds Count, the fourth census of Britain and Ireland’s internationally important populations of breeding seabirds, were published on 16 November 2023.

Over 10,000 sites and 25 species were surveyed between 2015 and 2021 to provide a comprehensive update on the state of these populations and gain greater insight into the relationships between them and the pressures they face.

Full species’ accounts of Seabirds Count census results can be found in the Seabirds Count publication, available to purchase from Lynx publishing.

Several datasets are available to download, including:

  • The comparative dataset for Seabird 2000 and Seabirds Count (previous versions (November 2023, December 2023) replaced July 2024 to address some minor errors).
  • The dataset used to produce the Manx Shearwater and European Storm-petrel estimates.
  • A full summary of all population estimates, and total percentage change recorded for each species across all 173 SPAs.

These resources may not be fully accessible for all users. If you need copies in a different or more accessible format, please contact

Resource type Dataset

Topic category Environment

Reference date 2023·11·16

Datasets from Seabirds Count, the fourth census of Britain and Ireland's breeding seabirds, surveyed between 2015 and 2021.

Responsible organisation
Digital and Data Solutions, JNCC distributor

Limitations on public access No limitations

Use constraints Available under the Open Government Licence 3.0

Metadata date 2024·07·11

Metadata point of contact
Digital and Data Solutions, JNCC

Temporal extent 2013·· 2022··

Spatial extent
North 61.037012
South 2.021484
East 49.037868
West -11.096191
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